Brush



(No Model.) 2 Sheets-Sheet 1.

J. A. WILLIAMS.

BRUSH. No. 345,941. Patented July 20, 1886.

WH'NEEEEE- QWQMW (No Model.) v 2 Sheets-Sheet 2.-

J. A. WILLIAMS.

BRUSH.

No. 345,941. Patented July Z0, 1886.

E E 5 E E N w W UNITED STATESl PATENT OFFICE.

.I AMES A. VILLIAMS, OF BOSTON, MASSACHUSETTS.

BRUSH.

SPECIFICATION forming part of Letters Patent No. 345,941. dated .Einf-.y 20, 1886.

Application filed April 27, 1885. Serial No. 163,609.

To all whom it may concern:

Be it known that I, J Mns A. WILLIAMS, of

A Boston, in the county of Suffolk and State of Massachusetts, a citizen of the United States, have invented anew and useful Improvement in Brushes, of which the following is a full, clear, and exact description, reference being had to t-he accompanying drawings, forming a part of this speciticationin explaining its nature. Y

The invention is an improvement upon that described in my application for Let-ters Patent of the United States iiled January 2, 1885, Serial No. 151,732.

Referring to the drawings, Figure 1 is a vertical central section of a brush containing the features of my invention. Fig. 2 is a vertical crosssection upon the dotted line fr x of Fig. 1. Fig. 3 is a portion of a horizontal sectionillustrating a modification in the arrangement of the bristles hereinafter specified. Fig. 4 is a longitudinal Vertical section, also showing a slight change in the arrangement ofthe bristles. Fig. 5 is a detail View in perspective further showing the construction of the bristle-holding devices. Fig. 7 is aperspective view enlarged of a complete ring of bristles, showing the manner in which they are held together between two holding' or clamping plates. Fig. 8 is a perspective View enlarged of the spacing-ring hereinafter referred to. Fig. 9 isaportion ofa longitudinal vertical section enlarged of the construction shown in Fig. 1.

The brush comprises three essential elementsz' first, the hub, preferably made of metal, and having upon one side a projecting ange; second, the bristles, which are held be tween holding-plates, as hereinafter specified, arranged or shaped to fit the hub; and, third, a nut having a flange which is adapted to be screwed upon the bristle-holding plates to clamp them against the hub-flange with sufcient pressure to properly solidify them and hold them and the bristles in position on the hub.

Referring to the drawings, A represents the hub. It has the projection or collar a, by

which it is fastened to its holdingshaft, and the fiange a,which projects outward from the 5o surface of the hub. It also has the screw- (No model.)

vinwardly from the end of the disk or cap B,

and has the screw-thread b', formed upon its exterior to fit the screw-thread of the sleeve. This end plate has a recess, b2, of a size to receive the hub, and the portion extending beyond the recess forms the iange b3, which laps upon the hub, and which is movable in relation to the xed flange a as the screw-post is turned in the screw-sleeve.

The bristles O are prepared for use upon the hub in two ways. The first is that represented 'in Figs. 1, 2, 3, and 5,wherec c represent two rings or plates of pasteboa-rd or paper or other equivalent material, which inclose the inner ends of the bristles between them, the rings being united with each other and with the bristles by glue. In Figs. 1 and 2 the bristles are shown as forming continuous rings extending from these holding-plates. In lieu, however, of this arrangement, the bristles may be arranged in clumps or sections, as represented in Figs. 3 and 5, in which case' the various clumps or sections between the holding-plates will be separated from each other by small pieces of pasteboard or other equivalent material, and the whole be glued together, as above described. In lieu of securing the bristles to these annular holding-plates they may v be held by two short holding-plates arranged to extend crosswise the hub instead of around it, and when this construction is used it willbe desirable to form the fixed flange of the hub and the movable flange with undercut or extending recesses d, so that these cross bristleholding plates may be held in place by the lapping of the anges upon their ends and upper surface, as shown in Fig. 4; and it will be desirable to bevel the ends of the holding strips or plates to correspond with the inclination of the undercut sides of the flanges, substantially as shown. The bristles being thus prepared for use are placed upon thehub, and between each section there is arranged one or more spacing rings or plates, E, so that the bristles shall not be packed too closely to- ICO gether upon the hub. When the annular form of bristle-holding plates is used, the spacingrings are of course annular in shape, and when the straight form of holding-plates is used then the spacing device is straight. Fig. 7 represent-s the former and Fig. 6 the latter.

Nhen the bristles are arranged in clumps or sections rather than continuously,Iarrange the holding-plates, preferably, so that the various clumps shall not come opposite each other, and this forni of arrangement of the bristles is used when it is desired that the bristles of the complete brush shall not be too stiff. The bristles and the spacing-plates having been adjusted on thehub the movable flange is then turned down upon the same, and rigidly and firmly clamps all the holding-plates together, and consequently the ends of the bristles are very firmly and securely held. When the bristle-holding plates or sections are arranged crosswise the hub,they may also be glued together as Well as clamped.

In lieu of the pasteboard or paper-clamping plates and spacing rings or pieces shown, I may use any mechanical equivalent therefor.

The advantages which this form of construction give are, first, the ease, facility, and cheapness with which the bristles are arranged for attachment tothe hub; second, the cheapness, ease, and facility With which the brush is built up or made from these previously-prepared sections; and, third, the ability to remove certain of the sections as they become worn, and substitute others therefor, or to inter change them upon the hub so that more of the bristles may be Worn out than could be in an ordinary brush, and greater durabilty thus provided; fourth, the ability to easily reclothe the hub With fresh sections of bristles.

Having thus fully described my invention, I claim and desire to secure by Letters Patent of the United Statesl. The combination of the hub A, having the fiange a, the movable flange or collar b3, the sections C of bristles secured between two annular disks, c c', as specilied,and the annular 

